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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVQZ
 hartrees
Energy at 0K-154.798027
Energy at 298.15K-154.804707
HF Energy-154.154632
Nuclear repulsion energy82.155194
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3869 3670 38.64 92.31 0.22 0.36
2 A' 3181 3017 18.01 50.56 0.75 0.86
3 A' 3087 2928 12.16 153.95 0.01 0.01
4 A' 3048 2891 56.95 131.53 0.07 0.13
5 A' 1547 1467 1.39 2.82 0.72 0.84
6 A' 1518 1439 2.69 8.19 0.75 0.86
7 A' 1464 1388 11.51 2.38 0.25 0.40
8 A' 1407 1334 2.42 0.03 0.46 0.63
9 A' 1276 1210 62.65 1.36 0.73 0.85
10 A' 1124 1066 37.10 5.28 0.52 0.68
11 A' 1057 1003 47.65 5.25 0.13 0.23
12 A' 917 869 12.22 5.20 0.22 0.36
13 A' 418 396 10.83 0.27 0.65 0.78
14 A" 3186 3022 20.29 36.45 0.75 0.86
15 A" 3092 2933 37.54 84.21 0.75 0.86
16 A" 1500 1422 5.97 5.50 0.75 0.86
17 A" 1315 1247 0.00 4.48 0.75 0.86
18 A" 1192 1130 3.44 0.61 0.75 0.86
19 A" 825 782 0.09 0.08 0.75 0.86
20 A" 295 280 81.73 1.50 0.75 0.86
21 A" 242 230 34.51 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17779.1 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 16861.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVQZ
ABC
1.17620 0.31678 0.27513

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.399 0.000
C2 0.000 0.556 0.000
O3 -1.189 -0.225 0.000
H4 -1.940 0.371 0.000
H5 2.107 0.148 0.000
H6 1.132 -1.033 0.881
H7 1.132 -1.033 -0.881
H8 0.038 1.198 0.883
H9 0.038 1.198 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50782.36193.20081.08731.08651.08652.14512.1451
C21.50781.42231.94882.14582.14112.14111.09211.0921
O32.36191.42230.95913.31632.61082.61082.07582.0758
H43.20081.94880.95914.05283.49103.49102.31892.3189
H51.08732.14583.31634.05281.76681.76682.48172.4817
H61.08652.14112.61083.49101.76681.76292.48443.0472
H71.08652.14112.61083.49101.76681.76293.04722.4844
H82.14511.09212.07582.31892.48172.48443.04721.7660
H92.14511.09212.07582.31892.48173.04722.48441.7660

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.391 C1 C2 H8 110.168
C1 C2 H9 110.168 C2 C1 H5 110.510
C2 C1 H6 110.184 C2 C1 H7 110.184
C2 O3 H4 108.269 O3 C2 H8 110.607
O3 C2 H9 110.607 H5 C1 H6 108.734
H5 C1 H7 108.734 H6 C1 H7 108.443
H8 C2 H9 107.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability